Solve for A_D, a
a = \frac{24}{5} = 4\frac{4}{5} = 4.8
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A_{D}=\frac{24}{5}
Consider the first equation. Multiply \frac{12}{5} and 2 to get \frac{24}{5}.
a=\frac{24}{5}
Consider the second equation. Insert the known values of variables into the equation.
A_{D}=\frac{24}{5} a=\frac{24}{5}
The system is now solved.
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